如何在窗体1中切换暗模式，到达子窗体窗体2

Question

我正在制作一个带有菜单栏和显示子窗体的面板的应用程序。我做了一个暗模式功能，可以在菜单和parantform上使用。(self.backcolor=…(当我点击一个按钮并运行一个将所有内容设置为正确颜色的方法时，我会有机会。但是如何将代码从表单1(parant(发送到子表单？

//form1 (parent)

public bool darkMode = false;
public Form activeForm = null;
private void OpenChildForm(Form childForm, object btnSender)
{
if (activeForm != null)
{
label1.Text = "active form is not nothing";
}
else
{
label1.Text = "active form is nothing";
}
activeForm = childForm;
childForm.TopLevel = false;
childForm.FormBorderStyle = FormBorderStyle.None;
childForm.Dock = DockStyle.Fill;
this.panelDesktopPane.Controls.Add(childForm);
this.panelDesktopPane.Tag = childForm;
childForm.BringToFront();
childForm.Show();
}

private void button1_Click(object sender, EventArgs e)
{
darkMode = true;
updateSystemColor();
updateMenuColors();
}
public void updateSystemColor()
{
this.BackColor = ColorTranslator.FromHtml(returnSystemColor(darkMode, 0));
panelMenu.BackColor = ColorTranslator.FromHtml(returnSystemColor(darkMode, 1));
button3.ForeColor = ColorTranslator.FromHtml(returnSystemColor(darkMode, 5));
button4.ForeColor = ColorTranslator.FromHtml(returnSystemColor(darkMode, 5));
button5.ForeColor = ColorTranslator.FromHtml(returnSystemColor(darkMode, 5));
button6.ForeColor = ColorTranslator.FromHtml(returnSystemColor(darkMode, 5));
}
public string returnSystemColor(bool darkmode, int index)
{
String[] lightModeColors =
{
/*0*/ "#E2E0DF", //lightmode_5 - primary
/*1*/ "#C4C3C2", //lightmode_4 - secondary
/*2*/ "#A7A6A5", //lightmode_3
/*3*/ "#8B8A89", //lightmode_2
/*4*/ "#706F6E", //lightmode_1
/*5*/ "#000000", //black
/*6*/ "#EB4992", //maroon_shades_1 - infoBar
/*7*/ "#C82175", //maroon_shades_2 - button
/*8*/ "#A60059", //maroon_shades_3 - logo
/*9*/ "#D54359", //red_shades_1 - infoBar
/*10*/ "#B62342", //red_shades_2 - button
/*11*/ "#97002B", //red_shades_3 - logo
/*12*/ "#9FE8D8", //green_shades_5 - infoBar
/*13*/ "#7CC3B4", //green_shades_4 - button
/*14*/ "#59A092", //green_shades_3 - logo
/*15*/ "#AED9E6", //blue_shades_5 - infoBar
/*16*/ "#84AEBA", //blue_shades_4 - button
/*17*/ "#5B848F", //blue_shades_3 - logo
/*18*/ "#E8A36A", //yellow_shades_1 - infoBar
/*19*/ "#BD7D46", //yellow_shades_2 - button
/*20*/ "#935924", //yellow_shades_3 - logo
};
String[] darkModeColors =
{
/*0*/ "#231F1B", //darkmode_5 - primary
/*1*/ "#3D3934", //darkmode_4 - secondary
/*2*/ "#5A5550", //darkmode_3
/*3*/ "#78736D", //darkmode_2
/*4*/ "#97928C", //darkmode_1
/*5*/ "#FFFFFF", //white
/*6*/ "#640027", //maroon_shades_5 - infoBar
/*7*/ "#85003F", //maroon_shades_4 - button
/*8*/ "#A60059", //maroon_shades_3 - logo
/*9*/ "#5C0000", //red_shades_5 - infoBar
/*10*/ "#790017", //red_shades_4 - button
/*11*/ "#97002B", //red_shades_3 - logo
/*12*/ "#0C5D51", //green_shades_1 - infoBar
/*13*/ "#367E71", //green_shades_2 - button
/*14*/ "#59A092", //green_shades_3 - logo
/*15*/ "#083842", //blue_shades_1 - infoBar
/*16*/ "#335D67", //blue_shades_2 - button
/*17*/ "#5B848F", //blue_shades_3 - logo
/*18*/ "#461700", //yellow_shades_3 - infoBar
/*19*/ "#6B3700", //yellow_shades_3 - button
/*20*/ "#935924", //yellow_shades_3 - logo
};
if (darkMode == true)
{
return darkModeColors[index];
}
else
{
return lightModeColors[index];
}
}

请帮忙，我不是很有经验，所以解释一下将不胜感激。

Answer 1

在childForm中创建一个公共字段，然后直接设置它，或者添加一个执行此操作的构造函数。

示例：

class ChildForm
{
//...
public bool IsDark = false;
}
class ParentForm
{
ChildForm childForm = new ChildForm();
childForm.IsDark = true;
//...
}

或者你可以有一个子形式的方法：

class ChildForm
{
//...
public void SetMode(bool isDark)
{
//...
}
}

然后从父窗体调用它：

class ParentForm
{
ChildForm childForm = new ChildForm();
childForm.SetMode(true);
//...
}