我的意图是在Win32中创建一个包含透明图标的工具栏。我已经尝试使用以下代码创建一个带有自定义图像的按钮的简单工具栏:
// Create the toolbar
HWND hToolbar = CreateWindow(TOOLBARCLASSNAME,
NULL,
WS_CHILD | TBSTYLE_FLAT | TBSTYLE_AUTOSIZE | TBSTYLE_LIST | CCS_BOTTOM,
0, 0, 0, 0,
hwnd,
NULL,
ghInstance, // <-this is the HINSTANCE of the application
NULL);
// Set the font (this cannot be the problem)
SendMessage(hToolbar,
WM_SETFONT,
(WPARAM)hFontBold,
static_cast<LPARAM>(MAKELONG(TRUE, 0)));
auto hImagelist = ImageList_Create(32, 32,ILC_COLOR24 | ILC_MASK, 1, 0);
HBITMAP bitmap = static_cast<HBITMAP>(LoadImage(ghInstance,
/* ID_IMG_SPAWN is my custom resource -> */ MAKEINTRESOURCE(ID_IMG_SPAWN),
IMAGE_BITMAP,
32, 32,
NULL));
ImageList_AddMasked(hImagelist,
bitmap,
RGB(255,255,255) /* white …Run Code Online (Sandbox Code Playgroud)