//trans.cpp
//デスクトップアイコンテキスト透過
//2000/11/02 kito ( kito@kun.ne.jp ) ver1.1

// This is Win32 GUI Program.
// (It does't run on Console, but does't have Grafical User Interface, too. :-)

// Compile CommandLine: bcc32 -tW trans.cpp

#include <windows.h>
#include <commctrl.h>

int WINAPI WinMain(
		HINSTANCE hInstance,
		HINSTANCE hPrevInstance,
		LPSTR CmdLine,
		int CmdShow)
{
	HWND hWindow, hDeskTop;
	RECT DeskTopRect;
	COLORREF color;
	int r;
	
	//この行でテキストの色を指定
	color = RGB(0x00, 0x00, 0x00);
	
	hDeskTop = GetDesktopWindow();
	hWindow = FindWindow("Progman", "Program Manager");
	hWindow = FindWindowEx(hWindow, NULL,
		"SHELLDLL_DefView", NULL);
	hWindow = FindWindowEx(hWindow, NULL,
		"SysListView32", NULL);
	
	DeskTopRect.left = 0;
	DeskTopRect.top = 0;
	DeskTopRect.right = GetSystemMetrics(SM_CXSCREEN);
	DeskTopRect.bottom = GetSystemMetrics(SM_CYSCREEN);
	
	ListView_SetTextColor(hWindow, color);
	ListView_SetTextBkColor(hWindow, CLR_NONE);
	
	r = RedrawWindow(hDeskTop, &DeskTopRect, NULL,
		RDW_INVALIDATE | RDW_UPDATENOW | RDW_ALLCHILDREN);
	
	if(!r)
		Beep(3000, 300); //エラーの場合、Beep音が鳴る
	
	return 0;
}