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/*
* Copyright (c) 2014-2017 MongoDB, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the license is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package gowin32
import (
"syscall"
"github.com/winlabs/gowin32/wrappers"
)
func GetWindowProcessID(hwnd syscall.Handle) (uint, error) {
var pid uint32
_, err := wrappers.GetWindowThreadProcessId(hwnd, &pid)
if err != nil {
return 0, NewWindowsError("GetWindowThreadProcessId", err)
}
return uint(pid), nil
}
func GetWindowText(hwnd syscall.Handle) (string, error) {
l, err := wrappers.GetWindowTextLength(hwnd)
if err != nil {
return "", NewWindowsError("GetWindowTextLength", err)
}
if l == 0 {
return "", nil
}
buf := make([]uint16, l+1)
if _, err := wrappers.GetWindowText(hwnd, &buf[0], l+1); err != nil {
return "", NewWindowsError("GetWindowText", err)
}
return syscall.UTF16ToString(buf), nil
}
func GetWindowThreadID(hwnd syscall.Handle) (uint, error) {
var pid uint32
r, err := wrappers.GetWindowThreadProcessId(hwnd, &pid)
if err != nil {
return 0, NewWindowsError("GetWindowThreadProcessId", err)
}
return uint(r), nil
}
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