kumbayo

#include <windows.h>int main(int argc, char ** argv){HDC dc1, dc2, dc3;DWORD type;DWORD err1, err2;dc1 = CreateCompatibleDC(NULL);err1 = GetLastError();type = GetObjectType(dc1);err2 = GetLastError();printf("dc1: %p %d err:0x%x/0x%x\n", dc1, type, err1, err2);dc2 = CreateCompatibleDC(dc1);err1 = GetLastError();type = GetObjectType(dc2);err2 = GetLastError();printf("dc1: %p %d err:0x%x/0x%x\n", dc2, type, err1, err2);dc3 = CreateCompatibleDC((HDC)0x12345);err1 = GetLastError();type = GetObjectType(dc3);err2 = GetLastError();printf("dc1: %p %d err:0x%x/0x%x\n", dc3, type, err1, err2);}