public MainForm() { editor = new PhoneticEditor(); SuspendLayout(); textBoxPhonetic = new TextBox { Font = new Font("Siyam Rupali", 14), Dock = DockStyle.Fill, Multiline = true, TabIndex = 0 }; textBoxPhonetic.TextChanged += TextBoxPhonetic_TextChanged; textBoxPhonetic.KeyDown += Pad_KeyDown; // Initialize MainForm AutoScaleDimensions = new SizeF(8F, 16F); AutoScaleMode = AutoScaleMode.Font; ClientSize = new Size(800, 450); Padding = new Padding(5); Controls.Add(textBoxPhonetic); Name = nameof(MainForm); Text = TITLE_BN; ResumeLayout(true); }