Visual C++ .NET/GUI Form/Form
OnPaint
<source lang="csharp">
using namespace System; using namespace System::ComponentModel; using namespace System::Collections; using namespace System::Windows::Forms; using namespace System::Data; using namespace System::Drawing; public ref class Form1 : public System::Windows::Forms::Form { public: Form1(void) { this->SuspendLayout(); this->AutoScaleDimensions = System::Drawing::SizeF(6, 13); this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font; this->ClientSize = System::Drawing::Size(292, 273); this->Name = L"Form1"; this->Text = L"Form1"; this->Paint += gcnew System::Windows::Forms::PaintEventHandler(this, &Form1::Form1_Paint); this->ResumeLayout(false); } virtual void OnPaint(System::Windows::Forms::PaintEventArgs ^e) override {
// Form::OnPaint(e);
e->Graphics->DrawString("Hello GDI+", gcnew Drawing::Font("Arial", 16), Brushes::Black, 75.0, 110.0); Form::OnPaint(e); } System::Void Form1_Paint(System::Object^ sender, System::Windows::Forms::PaintEventArgs^ e) { e->Graphics->DrawString("Hello GDI+", gcnew Drawing::Font("Arial", 16), Brushes::Purple, 75.0, 110.0); } };
[STAThreadAttribute] int main(array<System::String ^> ^args) {
Application::Run(gcnew Form1()); return 0;
}
</source>
subclass Form
<source lang="csharp">
[STAThreadAttribute] int main(array<System::String ^> ^args) {
Application::Run(gcnew Form1()); return 0;
}
using namespace System; using namespace System::ComponentModel; using namespace System::Collections; using namespace System::Windows::Forms; using namespace System::Data; using namespace System::Drawing;
public ref class Form1 : public System::Windows::Forms::Form { public: Form1(void) { InitializeComponent(); }
private: System::ComponentModel::Container ^components; void InitializeComponent(void) { this->SuspendLayout(); // // Form1 // this->AutoScaleDimensions = System::Drawing::SizeF(6, 13); this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font; this->BackColor = System::Drawing::Color::Black; this->ClientSize = System::Drawing::Size(692, 276); this->Cursor = System::Windows::Forms::Cursors::UpArrow; this->FormBorderStyle = System::Windows::Forms::FormBorderStyle::SizableToolWindow; this->Name = L"Form1"; this->SizeGripStyle = System::Windows::Forms::SizeGripStyle::Show; this->Text = L"Custom Hello"; this->TopMost = true; this->ResumeLayout(false); } }; </source>