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I have created a tab control that contains two tabs. Inside each tab there will be a container window to hold other controls (in the code example, a static control for instance). The idea is that when a new tab is selected, it will hide/show the correct container window that holds a bunch of controls. However I am struggling to get the container windows holding the static controls to show. This is the code so far:
#include <windows.h>
#include <commctrl.h>
#pragma comment(lib, "comctl32.lib")
#define ID_TABCTRL 1
#define ID_STATIC0 2
#define ID_STATIC1 3
#define ID_TAB0 4
#define ID_TAB1 5
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
HWND hTab, hTab0, hTab1;
int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PWSTR pCmdLine, int nCmdShow)
{
MSG msg;
WNDCLASS wc = { 0 };
wc.lpszClassName = TEXT("Tab control");
wc.hInstance = hInstance;
wc.hbrBackground = GetSysColorBrush(COLOR_3DFACE);
wc.lpfnWndProc = WndProc;
wc.hCursor = LoadCursor(0, IDC_ARROW);
RegisterClass(&wc);
CreateWindow(wc.lpszClassName, TEXT("Tab control"), WS_OVERLAPPEDWINDOW | WS_VISIBLE, 100, 100, 250, 200, 0, 0, hInstance, 0);
while (GetMessage(&msg, NULL, 0, 0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return (int)msg.wParam;
}
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
TCITEM tie;
INITCOMMONCONTROLSEX icex;
switch (msg)
{
case WM_CREATE:
icex.dwSize = sizeof(INITCOMMONCONTROLSEX);
icex.dwICC = ICC_TAB_CLASSES;
InitCommonControlsEx(&icex);
tie.mask = TCIF_TEXT;
///// Create Tab Control /////
hTab = CreateWindow(WC_TABCONTROL, NULL, WS_CHILD | WS_VISIBLE, 0, 0, 200, 150, hwnd, (HMENU)ID_TABCTRL, NULL, NULL);
///// Create Individual Tabs /////
tie.pszText = TEXT("First");
SendMessage(hTab, TCM_INSERTITEM, 0, (LPARAM)(LPTCITEM)&tie);
tie.pszText = TEXT("Second");
SendMessage(hTab, TCM_INSERTITEM, 1, (LPARAM)(LPTCITEM)&tie);
///// Create Container windows for each tab /////
hTab0 = CreateWindow(0, NULL, WS_CHILD | WS_VISIBLE, 0, 0, 200, 150, hTab, (HMENU)ID_TAB0, NULL, NULL);
hTab1 = CreateWindow(0, NULL, WS_CHILD, 0, 0, 200, 150, hTab, (HMENU)ID_TAB1, NULL, NULL);
///// Add example control to one of the tab container windows /////
CreateWindow(TEXT("Static"), TEXT("Yay!"), WS_CHILD | WS_VISIBLE | SS_LEFT, 20, 30, 50, 25, hTab0, (HMENU)ID_STATIC0, NULL, NULL);
CreateWindow(TEXT("Static"), TEXT("It appears to be working"), WS_CHILD | WS_VISIBLE | SS_LEFT, 20, 30, 100, 50, hTab1, (HMENU)ID_STATIC1, NULL, NULL);
break;
case WM_NOTIFY:
switch (((LPNMHDR)lParam)->code)
{
case TCN_SELCHANGE:
switch (TabCtrl_GetCurSel(hTab))
{
///// Show or Hide the appropriate tabs /////
case 0:
ShowWindow(hTab1, SW_HIDE);
ShowWindow(hTab0, SW_SHOW);
case 1:
ShowWindow(hTab0, SW_HIDE);
ShowWindow(hTab1, SW_SHOW);
}
}
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
}
return(DefWindowProc(hwnd, msg, wParam, lParam));
}
Is it just a case of the container windows hTab0 and hTab1 being stuck behind the tab window (hTab)?
First, you need to change the position of the tab and static form, otherwise it will block the generated content.
Then you can define the generated static text directly through CreateWindow, by using WC_STATIC.
#include <Windows.h>
#include <commctrl.h>
LRESULT CALLBACK WndProc(HWND, UINT,WPARAM,LPARAM);
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine, int iCmdShow)
{
static TCHAR szAppName[] = TEXT("windows");
HWND hwnd;
MSG msg;
WNDCLASS wndclass;
wndclass.style = CS_HREDRAW | CS_VREDRAW;
wndclass.lpfnWndProc = WndProc;
wndclass.cbClsExtra = 0;
wndclass.cbWndExtra = 0;
wndclass.hInstance = hInstance;
wndclass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);
wndclass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
wndclass.lpszMenuName = NULL;
wndclass.lpszClassName = szAppName;
if (!RegisterClass(&wndclass))
{
MessageBox(NULL, TEXT("This program requires Windows NT!"), szAppName, MB_ICONERROR);
}
hwnd = CreateWindow(szAppName,
TEXT("the hello program"),
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
NULL,
NULL,
hInstance,
NULL);
ShowWindow(hwnd,iCmdShow);
UpdateWindow(hwnd);
while (GetMessageW(&msg,NULL,0,0))
{
TranslateMessage(&msg);
DispatchMessageW(&msg);
}
return msg.wParam;
}
LRESULT CALLBACK WndProc(HWND hwnd, UINT message,WPARAM wParam,LPARAM lParam)
{
static HINSTANCE hInstance;
static HWND hwndTab = 0 , hwndStatic1,hwndStatic2;
TCITEM tie;
RECT rcClient;
INITCOMMONCONTROLSEX icex;
icex.dwSize = sizeof(INITCOMMONCONTROLSEX);
icex.dwICC = ICC_TAB_CLASSES;
TCHAR tabLBL1[256];
GetClientRect(hwnd, &rcClient);
switch (message)
{
case WM_CREATE:
{
hInstance = ((LPCREATESTRUCT)lParam)->hInstance;
hwndTab = CreateWindow(WC_TABCONTROL, L"",
WS_CHILD | WS_CLIPSIBLINGS | WS_VISIBLE,
0, 0, rcClient.right, rcClient.bottom,
hwnd, NULL, hInstance, NULL);
//Add tabs for each day of the week.
tie.mask = TCIF_TEXT | TCIF_IMAGE;
tie.iImage = -1;
wsprintf(tabLBL1, L"tab1");
tie.pszText = tabLBL1;
TabCtrl_InsertItem(hwndTab, 0, &tie);
wsprintf(tabLBL1, L"tab2");
TabCtrl_InsertItem(hwndTab, 1, &tie);
hwndStatic1 = CreateWindow(WC_STATIC, L"123",
WS_CHILD | WS_VISIBLE | WS_BORDER,
200, 200, 100, 100, // Position and dimensions; example only.
hwndTab, NULL, hInstance, // g_hInst is the global instance handle
NULL);
hwndStatic2 = CreateWindow(WC_STATIC, L"456",
WS_CHILD | WS_VISIBLE | WS_BORDER,
400, 200, 100, 100, // Position and dimensions; example only.
hwndTab, NULL, hInstance, // g_hInst is the global instance handle
NULL);
ShowWindow(hwndStatic1, TRUE);
ShowWindow(hwndStatic2, FALSE);
return 0;
}
case WM_DESTROY:
PostQuitMessage(0);
return 0;
case WM_NOTIFY:
if (((LPNMHDR)lParam)->code == TCN_SELCHANGE)
{
int tabID = TabCtrl_GetCurSel(hwndTab);
switch (tabID)
{
case 0:
ShowWindow(hwndStatic1, TRUE);
ShowWindow(hwndStatic2, FALSE);
break;
case 1:
ShowWindow(hwndStatic1, FALSE);
ShowWindow(hwndStatic2, TRUE);
break;
default:
break;
}
}
}
return DefWindowProc(hwnd, message, wParam, lParam);
}
Zhu Song's answer helped solved the problem (the container windows needing to be a static control, and needing to be positioned inside the tab control's space, below the clickable tabs).
Here is the result, swapping the two container window creation lines:
hTab0 = CreateWindow(TEXT("Static"), NULL, WS_CHILD | WS_VISIBLE, 1, 25, 197, 123, hTab, (HMENU)ID_TAB0, NULL, NULL);
hTab1 = CreateWindow(TEXT("Static"), NULL, WS_CHILD, 1, 25, 197, 123, hTab, (HMENU)ID_TAB1, NULL, NULL);
Note how the container window sizes and position are small enough to just fit inside the main tab control window (you can add WS_BORDER to the style to see where exactly it fits).
So I've been trying to add images to my WinAPI TreeView Common Control items. However, I have encountered something that has really been bothering me and I have no clue why it is happening. For some reason, the Image in a TreeView has a different color than the actual bitmap does. I took a screenshot of a test program I made that paints a BMP image file along with its TreeView counterpart. (It is the exact same image yet both drawings yield different results).
As you can see the image on the left is what it should look like and the image on the right is what the TreeView is drawing. Is this just the way TreeView works or something? Or is there something in my code that I'm doing wrong? It would be much appreciated if anyone could point this out because out of personal taste, the TreeView image looks visually disgusting and I would like the TreeView Control to draw my image correctly :P
The following is the code I am using to create the Treeview:
//Load image from relative file path
g_hBmp = LoadImage(GetModuleHandle(NULL), "image.bmp", IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE | LR_DEFAULTSIZE);
//Create Treeview
HWND treeview = CreateWindowEx(0, WC_TREEVIEW, NULL,
WS_VISIBLE | WS_CHILD | TVS_FULLROWSELECT,
250, 100, 500, 300,
hwnd, NULL, GetModuleHandle(NULL), NULL);
//Add single treeview item
TVITEM tvi = {0};
TVINSERTSTRUCT tvins = {0};
HIMAGELIST himl = NULL;
himl = ImageList_Create(90, 90, 0, 1, 0);
int image = ImageList_Add(himl, g_hBmp, NULL);
SendMessage(treeview, TVM_SETIMAGELIST, (WPARAM) TVSIL_NORMAL, (LPARAM) himl);
tvi.mask = TVIF_TEXT | TVIF_IMAGE;
//Set Text
tvi.pszText = "Some Item";
tvi.cchTextMax = sizeof("Some Item") - 1;
tvi.iImage = image;
tvins.item = tvi;
tvins.hInsertAfter = TVI_FIRST;
SendMessage(treeview, TVM_INSERTITEM, 0, (LPARAM)(LPTVINSERTSTRUCT) &tvins);
And here is my entire code in case you want to copy it:
#include <windows.h>
#include <commctrl.h>
HBITMAP g_hBmp = NULL;
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) {
switch (msg) {
case WM_CREATE: {
//Load Image
g_hBmp = LoadImage(GetModuleHandle(NULL), "image.bmp", IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE | LR_DEFAULTSIZE);
//Create Treeview
HWND treeview = CreateWindowEx(0, WC_TREEVIEW, NULL,
WS_VISIBLE | WS_CHILD | TVS_FULLROWSELECT,
250, 100, 500, 300,
hwnd, NULL, GetModuleHandle(NULL), NULL);
//Add single treeview item
TVITEM tvi = {0};
TVINSERTSTRUCT tvins = {0};
HIMAGELIST himl = NULL;
himl = ImageList_Create(90, 90, 0, 1, 0);
int image = ImageList_Add(himl, g_hBmp, NULL);
SendMessage(treeview, TVM_SETIMAGELIST, (WPARAM) TVSIL_NORMAL, (LPARAM) himl);
tvi.mask = TVIF_TEXT | TVIF_IMAGE;
//Set Text
tvi.pszText = "Some Item";
tvi.cchTextMax = sizeof("Some Item") - 1;
tvi.iImage = image;
tvins.item = tvi;
tvins.hInsertAfter = TVI_FIRST;
SendMessage(treeview, TVM_INSERTITEM, 0, (LPARAM)(LPTVINSERTSTRUCT) &tvins);
break;
}
case WM_PAINT: {
PAINTSTRUCT ps = {0};
//Setup
HDC hdc = BeginPaint(hwnd, &ps);
HDC hdcPaint = CreateCompatibleDC(hdc);
HBITMAP hBmpOld = (HBITMAP) SelectObject(hdcPaint, g_hBmp);
//Painting
BitBlt(hdc, 100, 100, 90, 90, hdcPaint, 0, 0, SRCCOPY);
//Cleanup
SelectObject(hdcPaint, hBmpOld);
DeleteDC(hdcPaint);
EndPaint(hwnd, &ps);
break;
}
case WM_DESTROY: {
DeleteObject(g_hBmp);
PostQuitMessage(0);
break;
}
default: return DefWindowProc(hwnd, msg, wParam, lParam);
}
return 0;
}
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd) {
InitCommonControls();
HWND hwnd = NULL;
WNDCLASSEX wc = {0};
wc.cbSize = sizeof(WNDCLASSEX);
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
wc.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
wc.hInstance = hInstance;
wc.hbrBackground = (HBRUSH) COLOR_WINDOW;
wc.lpfnWndProc = WndProc;
wc.lpszClassName = "Parent Window";
wc.style = CS_VREDRAW | CS_HREDRAW;
RegisterClassEx(&wc);
hwnd = CreateWindowEx(0, wc.lpszClassName, "Render Window",
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT, 1000, 1000 / 16 * 9,
NULL, NULL, hInstance, NULL);
ShowWindow(hwnd, nShowCmd);
UpdateWindow(hwnd);
MSG msg = {0};
while (GetMessage(&msg, NULL, 0, 0) > 0) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return msg.wParam;
}
As mentioned above by 'Swordfish', what I was missing was the proper flag when calling the ImageList_Create() function. As you can see in my call to ImageList_Create(90, 90, 0, 1, 0); I specify '0' as the third parameter (which represents the Image List Creation Flag). As stated in the documentation, the ILC_COLOR flag has a value of zero; when this flag is set it uses the 'default behavior' which is often ILC_COLOR4 (i.e. 4 bits per channel).
To fix this all I needed to do was simply call the function using the ILC_COLOR24 flag, indicating that my images have a 24-bit depth.
ImageList_Create(90, 90, ILC_COLOR24, 1, 0);
I am attempting to get a tooltip to appear over a Static control. I've followed the MSDN example almost word for word but the tooltip doesn't appear. Maybe I need to initialise a specific common control prior to creating a tooltip? Right now I initialise ICC_STANDARD_CLASSES and ICC_COOL_CLASSES.
Any idea why the tooltip doesn't appear?
case WM_CREATE:
{
INITCOMMONCONTROLSEX iccx;
iccx.dwSize = sizeof(INITCOMMONCONTROLSEX);
iccx.dwICC = ICC_STANDARD_CLASSES | ICC_COOL_CLASSES;
InitCommonControlsEx(&iccx);
HWND hwndTool = CreateWindowEx(0, _T("Static"), _T("Abc"), WS_VISIBLE | WS_CHILD | BS_PUSHBUTTON,
10, 10, 100, 100, hWnd, (HMENU)50001, hInst, NULL);
HWND hwndTip = CreateWindowEx(NULL, TOOLTIPS_CLASS, NULL,
WS_POPUP | TTS_ALWAYSTIP | TTS_BALLOON,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
hWnd, NULL,
hInst, NULL);
// Associate the tooltip with the tool.
LPTSTR pszText = _T("Def");
TOOLINFO toolInfo = { 0 };
toolInfo.cbSize = sizeof(toolInfo);
toolInfo.hwnd = hWnd;
toolInfo.uFlags = TTF_IDISHWND | TTF_SUBCLASS;
toolInfo.uId = (UINT_PTR)hwndTool;
toolInfo.lpszText = pszText;
output(_T("Is null: %d\n"), hwndTip == NULL); // output = Is null: 0
output(_T("Send res: %d\n"), SendMessage(hwndTip, TTM_ADDTOOL, 0, (LPARAM)&toolInfo)); // output = Send res: 0
}
break;
I downloaded a very basic sample Win32 application and want to add a tree view to it. Here is my WinMain at the moment.
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) {
WNDCLASSEX wc;
HWND hwnd;
MSG Msg;
wc.cbSize = sizeof(WNDCLASSEX);
wc.style = 0;
wc.lpfnWndProc = WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = NULL;
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wc.lpszMenuName = NULL;
wc.lpszClassName = g_szClassName;
wc.hIconSm = NULL;
if(!RegisterClassEx(&wc)) {
MessageBox(NULL, "Window Registration Failed!", "Error!", MB_ICONEXCLAMATION | MB_OK);
return 0;
}
hwnd = CreateWindowEx(
WS_EX_CLIENTEDGE,
g_szClassName,
"My Window",
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT, 240, 120,
NULL, NULL, hInstance, NULL);
if(hwnd == NULL) {
MessageBox(NULL, "Window Creation Failed!", "Error!", MB_ICONEXCLAMATION | MB_OK);
return 0;
}
ShowWindow(hwnd, nCmdShow);
UpdateWindow(hwnd);
while(GetMessage(&Msg, NULL, 0, 0) > 0) {
TranslateMessage(&Msg);
DispatchMessage(&Msg);
}
return Msg.wParam;
}
It works like a normal window.
I have read a lot of pages on creating tree views, but it simply isn't obvious to a noob like me. I changed my class in the CreateWindowEx function to be WC_TREEVIEW, so my WinMain now looks like this:
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) {
WNDCLASSEX wc;
HWND hwnd;
MSG Msg;
wc.cbSize = sizeof(WNDCLASSEX);
wc.style = 0;
wc.lpfnWndProc = WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = NULL;
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wc.lpszMenuName = NULL;
wc.lpszClassName = g_szClassName;
wc.hIconSm = NULL;
/*if(!RegisterClassEx(&wc)) {
MessageBox(NULL, "Window Registration Failed!", "Error!", MB_ICONEXCLAMATION | MB_OK);
return 0;
}*/
hwnd = CreateWindowEx(
WS_EX_CLIENTEDGE,
/*g_szClassName*/WC_TREEVIEW,
"My Window",
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT, 240, 120,
NULL, NULL, hInstance, NULL);
if(hwnd == NULL) {
MessageBox(NULL, "Window Creation Failed!", "Error!", MB_ICONEXCLAMATION | MB_OK);
return 0;
}
ShowWindow(hwnd, nCmdShow);
UpdateWindow(hwnd);
while(GetMessage(&Msg, NULL, 0, 0) > 0) {
TranslateMessage(&Msg);
DispatchMessage(&Msg);
}
return Msg.wParam;
}
The problem is now that, the window doesn't load in my Windows theme, the close button looks different. Also, my menu does not show up.
Here is the code to create the Tree View (Tree View does not show up):
struct treeView {
HWND hwnd;
TV_INSERTSTRUCT insert;
HTREEITEM parent;
HTREEITEM before;
HTREEITEM root;
};
case WM_CREATE:
{
struct treeView resourcesTreeView;
resourcesTreeView.hwnd = GetDlgItem(hwnd, ID_RESOURCES_TREE_VIEW);
resourcesTreeView.insert.hParent = NULL;
resourcesTreeView.insert.hInsertAfter = TVI_ROOT;
resourcesTreeView.insert.item.mask = TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE;
resourcesTreeView.insert.item.pszText = "Parent";
resourcesTreeView.insert.item.iImage = 0;
resourcesTreeView.insert.item.iSelectedImage = 1;
resourcesTreeView.parent = (HTREEITEM)SendDlgItemMessage(hwnd, ID_RESOURCES_TREE_VIEW, TVM_INSERTITEM, 0, (LPARAM)&resourcesTreeView.insert);
resourcesTreeView.root = resourcesTreeView.parent;
resourcesTreeView.before = resourcesTreeView.parent;
UpdateWindow(hwnd);
}
I have made sure to include the:
case WM_INITDIALOG:
{
/*INITCOMMONCONTROLSEX icc;
icc.dwSize = sizeof(icc);
icc.dwICC = ICC_WIN95_CLASSES;
InitCommonControlsEx(&icc);*/
InitCommonControls();
}
WM_INITDIALOG is only sent to dialogs, but you are creating your windows manually. You should put the call to InitCommonControls() in your WinMain() function before you try to create the tree control.
Controls like trees don't work well as top-level windows which is what you're trying to do. Put your window class back how it was, so that you have a working window, and then add the following after the call to ShowWindow():
RECT rc;
GetClientRect(hwnd, &rc);
HWND hwndTree = CreateWindowEx(
WS_EX_CLIENTEDGE,
WC_TREEVIEW,
0,
WS_CHILD | WS_VISIBLE,
0, 0, rc.right, rc.bottom,
hwnd, NULL, hInstance, NULL);
That should give you a tree control as a child of your top-level window. You can then start playing around with adding items to it by sending messages to hwndTree.
I'm using C - (NO MFC or GDI+) :-)
What I want is to set the opacity of my child window to let say 100 (my child window is a STATIC control). I was wondering if this is even possible and if so can someone please point me to the right direction on how to do it.
Here is my setup:
I create my Parent window as follow:
HWND hWnd;
WNDCLASS wndCls_s;
wndCls_s.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC;
wndCls_s.lpfnWndProc = MainWndProc;
wndCls_s.cbClsExtra = 0;
wndCls_s.cbWndExtra = 0;
wndCls_s.hInstance = hInstance;
wndCls_s.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_BSN_64));
wndCls_s.hCursor = LoadCursor(NULL, IDC_ARROW);
wndCls_s.hbrBackground = CreateSolidBrush(RGB(0, 0, 0));
wndCls_s.lpszMenuName = NULL;
wndCls_s.lpszClassName = pszCName;
if (RegisterClass(&wndCls_s) == 0)
return EXIT_FAILURE;
/* Creating Window */
hWnd = CreateWindow(
pszCName, pszCName,
WS_VISIBLE | WS_POPUP | WS_SYSMENU | WS_CLIPCHILDREN,
0, 0, WND_WIDTH, WND_HEIGHT,
NULL, NULL, hInstance, NULL);
In my MainWndProc:
case WM_CREATE:
{
HWND hWndChild = CreateWindow(
L"STATIC", (LPCTSTR) NULL,
WS_CHILD | WS_VISIBLE,
10, 10, 110, 110,
hWnd, (HMENU) (int) 10000,
g_hInst, NULL);
}
break;
case WM_CTLCOLORSTATIC:
{
COLORREF dwColor;
dwColor = RGB(255, 0, 0);
hDC = (HDC) wParam;
//SetBkColor(hDC, dwColor);
SetBkMode(hDC, TRANSPARENT);
/*
This is not going to work for child window
SetWindowLong(
hWnd, GWL_EXSTYLE,
GetWindowLong((HWND)lParam, GWL_EXSTYLE) & ~WS_EX_LAYERED);
SetLayeredWindowAttributes(
(HWND)lParam, 0, 100, LWA_ALPHA);
RedrawWindow((HWND)lParam, NULL, NULL, RDW_ERASE | RDW_INVALIDATE);
*/
if (g_hBrushRed == NULL)
g_hBrushRed = CreateSolidBrush(dwColor);
}
return (INT_PTR)g_hBrushRed;
Why do you enable transparency with TRANSPARENT if you are going to return a valid brush for the background? You don't need SetBkMode and your red brush will be used by the control then.