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// 11 july 2014
package ui
import (
"fmt"
)
var (
hInstance uintptr
nCmdShow int
hDefaultIcon uintptr
hArrowCursor uintptr
)
func getWinMainParams() (err error) {
hInstance, err = f_GetModuleHandleW(nil)
if hInstance == 0 {
return fmt.Errorf("error getting hInstance: %v", err)
}
var info s_STARTUPINFOW
f_GetStartupInfoW(&info)
if info.dwFlags & c_STARTF_USESHOWWINDOW != 0 {
nCmdShow = int(info.wShowWindow)
} else {
nCmdShow = c_SW_SHOWDEFAULT
}
return nil
}
// TODO move to common_windows.go
var hNULL uintptr = 0
func loadIconsCursors() (err error) {
hDefaultIcon, err = f_LoadIconW(hNULL, c_IDI_APPLICATION)
if hDefaultIcon == hNULL {
return fmt.Errorf("error loading default icon: %v", err)
}
hArrowCursor, err = f_LoadCursorW(hNULL, c_IDC_ARROW)
if hArrowCursor == hNULL {
return fmt.Errorf("error loading arrow (default) cursor: %v", err)
}
return nil
}
func initWindows() error {
if err := getWinMainParams(); err != nil {
return fmt.Errorf("error getting WinMain() parameters: %v", err)
}
if err := loadIconsCursors(); err != nil {
return fmt.Errorf("error loading standard/default icons and cursors: %v", err)
}
return nil
}
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