【发布时间】：2022-10-03 05:37:03
【问题描述】：
我正在制作一个应用程序，它有一个附加到正在运行的进程的按钮，但是当我尝试使用 windows.h 函数时，例如。 FindWindowA 它说未解析的令牌 (0A000038) extern C。 如果工作正常，它应该在按下按钮时附加到进程，然后运行一些我还没有编码的代码
这是按钮代码
#pragma once
#include<Windows.h>
namespace projname {
using namespace System;
using namespace System::ComponentModel;
using namespace System::Collections;
using namespace System::Windows::Forms;
using namespace System::Data;
using namespace System::Drawing;
/// <summary>
/// Summary for MyForm
/// </summary>
public ref class MyForm : public System::Windows::Forms::Form
{
public:
MyForm(void)
{
InitializeComponent();
//
//TODO: Add the constructor code here
//
}
protected:
/// <summary>
/// Clean up any resources being used.
/// </summary>
~MyForm()
{
if (components)
{
delete components;
}
}
private: System::Windows::Forms::Button^ injectButton;
protected:
private: System::Windows::Forms::TextBox^ windowName;
private:
/// <summary>
/// Required designer variable.
/// </summary>
System::ComponentModel::Container ^components;
#pragma region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
void InitializeComponent(void)
{
this->injectButton = (gcnew System::Windows::Forms::Button());
this->windowName = (gcnew System::Windows::Forms::TextBox());
this->SuspendLayout();
//
// injectButton
//
this->injectButton->Font = (gcnew System::Drawing::Font(L\"MS UI Gothic\", 48, System::Drawing::FontStyle::Bold, System::Drawing::GraphicsUnit::Point,
static_cast<System::Byte>(0)));
this->injectButton->Location = System::Drawing::Point(12, 384);
this->injectButton->Name = L\"injectButton\";
this->injectButton->Size = System::Drawing::Size(537, 87);
this->injectButton->TabIndex = 0;
this->injectButton->Text = L\"Inject\";
this->injectButton->UseVisualStyleBackColor = true;
this->injectButton->Click += gcnew System::EventHandler(this, &MyForm::injectButton_Click);
//
// windowName
//
this->windowName->Location = System::Drawing::Point(13, 358);
this->windowName->Name = L\"windowName\";
this->windowName->Size = System::Drawing::Size(536, 20);
this->windowName->TabIndex = 1;
this->windowName->Text = L\"Window Name\";
//
// MyForm
//
this->AutoScaleDimensions = System::Drawing::SizeF(6, 13);
this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
this->ClientSize = System::Drawing::Size(561, 483);
this->Controls->Add(this->windowName);
this->Controls->Add(this->injectButton);
this->Name = L\"MyForm\";
this->Text = L\"projname\";
this->ResumeLayout(false);
this->PerformLayout();
}
#pragma endregion
private: System::Void injectButton_Click(System::Object^ sender, System::EventArgs^ e) {
HWND hwnd = FindWindowA(NULL, \"window to attach to\");
if (hwnd == NULL) { exit(-1); }
else {
DWORD procID;
GetWindowThreadProcessId(hwnd, &procID);
HANDLE handle = OpenProcess(PROCESS_ALL_ACCESS, FALSE, procID);
if (procID == NULL) { exit(-1); }
}
}
};
}
标签： windows user-interface c++-cli